using System;
public class Hello{
    public static void Main(){
        
        var days = Console.ReadLine().Split();
        
        if(days[0]=="Sat" || days[0]=="Sun") {
            if(days[1]=="Sat" || days[1]=="Sun")
                Console.WriteLine("8/33");
            else
                Console.WriteLine("8/32");
        }
        else
            Console.WriteLine("8/31");
    }
}